Learn about this topic in these articles:

silk spider

...Nephila komaci, a species reported in 2009 from specimens found in Africa and Madagascar that has a leg span measuring some 120 mm (4.7 inches). Another giant silk spider is
N. clavipes, a species found in the southeastern United States and in regions of Central and South America. Females of
N. clavipes can have a body length of more than 40 mm (1.6...